Improvement in evaporating salt-brines



l tt late @anni @fitte oALvIN A. SHEPARD, or PoMERoY, AssIeNoR Toul-Mente AND ROMAN MENAGER., or e'ALLIPoLIs` o nio.

' iron, and

LetterstentiNo.' 109,555, dated November-22, 11870.v

IMPROVEMENT IN EVAPORATING SALT-BRIES.-

The Schedule referred to in these Lettere Patent and making part of the same. i

of the same, reference being had to the accompanying drawing making a part of this specication, in which-'- Figure l is a plan view, and Figure 2 is an end elevation.

, This invention consists in-the combination ot' a return-Hue boiler for receiving the water of salt-wells, with setting pans for holding such water, after it has been heated for the purpose of producing evaporation-- Referring to the drawing- Y,

A is the boiler, constructed of copper or wrought-V B, the fnmace, located beneath'the boiler, in the usual manner. Y

G C are return-fines, running lengthwise ol the' boiler from end to end, and serving to, conduct heat and the products of combustion from the back of the' furnace through to the chimney at the front of the boiler. A

D is the pipe throughwhich the saltfwater is passed in the state in which it comes from the well into the boiler. at the front eud of the same; and

E is the pipe through whicli the water, after having been heated, Hows into the setting-pans F, by its own gravity, no pumps or valves heilig used, the pipe E discharging the same quantity of water that the pipe D admits, less the amount converted into steam.

G are the pipes through which the steamescapes from the top of the boiler, said pipes'being connected with tubes H, that lie lengthwise of the pans F.

- In all the ihre-going arrangements there isnothing new. Y n

Heretofore, in evaporatin g saline uids, cast-iron pans have been used to hold the water and receive the heat` of the furnace, and wooden boxes have been placed above the pans for the purpose of receiving the steam arising from the heated water.

This is a very expensive arrangement, as the. pans have to be cast an inch and a h'alf thick to enable them to withstand the destructive action of re. When copper or wrought-iron boilers are used for the same purpose, the sheets need; not be more than a quarter ofaninch in thickness,as-theirdurability is much superior to that of cast-iron; -v

Furthermore, inasmuch as a quarter of an inch of metal canibe heated through much sooner than an inch and a half ot' metal, I effect a'great reductionv in the amount of fuel required for imparting the proper degree of warmth to the salt-water.

Having thus described my invention, Y That I claim as new, and desire to secure by Letters Patent, 'ist .f lhe combination of the return-flue boiler A with setting-pans F, substantially as specified.

To the above specification of my invention I have signed my hand this12tl1 day of October, 1870.

I C. A. SHEPARD.

' Witnesses;

- SoLoN C. KEMON,

Trios. D. D. OURAND. 

